package com.isasa.android.bluetoothpractice.util;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.support.annotation.DrawableRes;
import android.view.View;
import android.view.ViewAnimationUtils;
import android.view.ViewGroup;
import android.widget.ImageView;

/**
 * Created by Python on 2017/5/26.
 */

public class CircularAnim {

    public static final long PERFECT_MILLS = 618;
    public static final int MINI_RADIUS = 0;

    public interface OnAnimationEndListener {
        void onAnimationEnd();
    }

    @SuppressLint("NewApi")
    public static class VisibleBuilder {
        private View mAnimView, mTriggerView;

        private Float mStartRadius, mEndRadius;

        private long mDurationMills = PERFECT_MILLS;

        private boolean isShow;

        private OnAnimationEndListener mOnAnimationEndListener;

        public VisibleBuilder(View animView, boolean isShow) {
            mAnimView = animView;
            this.isShow = isShow;

            if (isShow) {
                mStartRadius = MINI_RADIUS + 0F;
            } else {
                mEndRadius = MINI_RADIUS + 0F;
            }
        }

        public VisibleBuilder triggerView(View triggerView) {
            mTriggerView = triggerView;
            return this;
        }

        public VisibleBuilder startRadius(float startRadius) {
            mStartRadius = startRadius;
            return this;
        }

        public VisibleBuilder endRadius(float endRadius) {
            mEndRadius = endRadius;
            return this;
        }

        public VisibleBuilder duration(long durationMills) {
            mDurationMills = durationMills;
            return this;
        }

        public VisibleBuilder onAnimationEndListener(OnAnimationEndListener onAnimationEndListener) {
            mOnAnimationEndListener = onAnimationEndListener;
            return this;
        }

        public void go() {
            // version check
            if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.LOLLIPOP) {
                if (isShow)
                    mAnimView.setVisibility(View.VISIBLE);
                else
                    mAnimView.setVisibility(View.INVISIBLE);

                if (mOnAnimationEndListener != null)
                    mOnAnimationEndListener.onAnimationEnd();
                return;
            }

            int rippleCX, rippleCY, maxRadius;
            if (mTriggerView != null) {
                int[] tvLocation = new int[2];
                mTriggerView.getLocationInWindow(tvLocation);
                final int tvCX = tvLocation[0] + mTriggerView.getWidth() / 2;
                final int tvCY = tvLocation[1] + mTriggerView.getHeight() / 2;

                int[] avLocation = new int[2];
                mAnimView.getLocationInWindow(avLocation);
                final int avLX = avLocation[0];
                final int avTY = avLocation[1];

                int triggerX = Math.max(avLX, tvCX);
                triggerX = Math.min(triggerX, avLX + mAnimView.getWidth());

                int triggerY = Math.max(avTY, tvCY);
                triggerY = Math.min(triggerY, avTY + mAnimView.getHeight());

                //absolute coordinates

                int avW = mAnimView.getWidth();
                int avH = mAnimView.getHeight();

                rippleCX = triggerX - avLX;
                rippleCY = triggerY - avTY;

                // calculate distance to center
                int maxW = Math.max(rippleCX, avW - rippleCX);
                int maxH = Math.max(rippleCY, avH - rippleCY);
                maxRadius = (int) Math.sqrt(maxW * maxW + maxH * maxH) + 1;
            } else {
                rippleCX = (mAnimView.getLeft() + mAnimView.getRight()) / 2;
                rippleCY = (mAnimView.getTop() + mAnimView.getBottom()) / 2;

                int w = mAnimView.getWidth();
                int h = mAnimView.getHeight();

                // 3,4,5 +1
                maxRadius = (int) Math.sqrt(w * w + h * h) + 1;
            }

            if (isShow && mEndRadius == null)
                mEndRadius = maxRadius + 0F;
            else if (!isShow && mStartRadius == null)
                mStartRadius = maxRadius + 0F;

            Animator anim = ViewAnimationUtils.createCircularReveal(
                    mAnimView, rippleCX, rippleCY, mStartRadius, mEndRadius);
            mAnimView.setVisibility(View.VISIBLE);
            anim.setDuration(mDurationMills);

            anim.addListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    super.onAnimationEnd(animation);
                    if (isShow)
                        mAnimView.setVisibility(View.VISIBLE);
                    else
                        mAnimView.setVisibility(View.INVISIBLE);

                    if (mOnAnimationEndListener != null)
                        mOnAnimationEndListener.onAnimationEnd();
                }
            });

            anim.start();
        }

    }

    @SuppressLint("NewApi")
    public static class FullActivityBuilder {
        private Activity mActivity;
        private View mTriggerView;
        private float mStartRadius = MINI_RADIUS;
        @DrawableRes
        private int mColorOrImageRes = android.R.color.white;
        private Long mDurationMills;
        private OnAnimationEndListener mOnAnimationEndListener;
        private int mEnterAnim = android.R.anim.fade_in, mExitAnim = android.R.anim.fade_out;

        public FullActivityBuilder(Activity activity, View triggerView) {
            mActivity = activity;
            mTriggerView = triggerView;
        }

        public FullActivityBuilder startRadius(float startRadius) {
            mStartRadius = startRadius;
            return this;
        }

        public FullActivityBuilder colorOrImageRes(@DrawableRes int colorOrImageRes) {
            mColorOrImageRes = colorOrImageRes;
            return this;
        }

        public FullActivityBuilder duration(long durationMills) {
            mDurationMills = durationMills;
            return this;
        }

        public FullActivityBuilder overridePendingTransition(int enterAnim, int exitAnim) {
            mEnterAnim = enterAnim;
            mExitAnim = exitAnim;
            return this;
        }

        public void go(OnAnimationEndListener onAnimationEndListener) {
            mOnAnimationEndListener = onAnimationEndListener;

            // version<5.0 no animation
            if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.LOLLIPOP) {
                mOnAnimationEndListener.onAnimationEnd();
                return;
            }

            int[] location = new int[2];
            mTriggerView.getLocationInWindow(location);
            final int cx = location[0] + mTriggerView.getWidth() / 2;
            final int cy = location[1] + mTriggerView.getHeight() / 2;
            final ImageView view = new ImageView(mActivity);
            view.setScaleType(ImageView.ScaleType.CENTER_CROP);
            view.setImageResource(mColorOrImageRes);
            final ViewGroup decorView = (ViewGroup) mActivity.getWindow().getDecorView();
            int w = decorView.getWidth();
            int h = decorView.getHeight();
            decorView.addView(view, w, h);

            // calculate distance
            int maxW = Math.max(cx, w - cx);
            int maxH = Math.max(cy, h - cy);
            final int finalRadius = (int) Math.sqrt(maxW * maxW + maxH * maxH) + 1;

            Animator anim = ViewAnimationUtils.createCircularReveal(view, cx, cy, mStartRadius, finalRadius);
            int maxRadius = (int) Math.sqrt(w * w + h * h) + 1;
            if (mDurationMills == null) {

                double rate = 1d * finalRadius / maxRadius;

                mDurationMills = (long) (PERFECT_MILLS * Math.sqrt(rate));
            }
            final long finalDuration = mDurationMills;

            anim.setDuration((long) (finalDuration * 0.9));
            anim.addListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    super.onAnimationEnd(animation);

                    mOnAnimationEndListener.onAnimationEnd();

                    mActivity.overridePendingTransition(mEnterAnim, mExitAnim);


                    mTriggerView.postDelayed(new Runnable() {
                        @Override
                        public void run() {
                            if (mActivity.isFinishing()) return;

                            Animator anim = ViewAnimationUtils.createCircularReveal(view, cx, cy,
                                    finalRadius, mStartRadius);
                            anim.setDuration(finalDuration);
                            anim.addListener(new AnimatorListenerAdapter() {
                                @Override
                                public void onAnimationEnd(Animator animation) {
                                    super.onAnimationEnd(animation);
                                    try {
                                        decorView.removeView(view);
                                    } catch (Exception e) {
                                        e.printStackTrace();
                                    }
                                }
                            });
                            anim.start();
                        }
                    }, 1000);

                }
            });
            anim.start();
        }
    }





    public static VisibleBuilder show(View animView) {
        return new VisibleBuilder(animView, true);
    }


    public static VisibleBuilder hide(View animView) {
        return new VisibleBuilder(animView, false);
    }


    public static FullActivityBuilder fullActivity(Activity activity, View triggerView) {
        return new FullActivityBuilder(activity, triggerView);
    }

}